if (shouldUpdateScreen)
{
   OSScreenClearBufferEx(0, 0);
   OSScreenClearBufferEx(1, 0);

    PRINT_TEXT(10, 1, "Hello World");
PRINT_TEXT(0, 17, "Press Home to exit...")

    OSScreenFlipBuffersEx(0);
    OSScreenFlipBuffersEx(1);
}

#!/bin/sh
echo "Hello World"